Compact 120 TW Ti:sapphire laser system with a high gain final amplifier |
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| Authors: | Xiaoyan Liang Yuxin Leng Lihuang Lin Haihe Lu Wenyao Wang Yunhua Jiang Bin Shuai Hanlin Peng Baozhen Zhao Cheng Wang Wenqi Zhang Zhengquan Zhang Ruxin Li Zhizhan Xu |
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| Institution: | State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China |
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| Abstract: | A 120 TW/36 fs laser system based on Ti:sapphire chirped-pulse amplification (CPA) has been successfully established in our lab. The final four pass Ti:sapphire amplifier pumped by an energetic single-shot Nd:YAG—Nd:glass laser was designed and optimized. With 24 J/8 ns pump energy at 532 nm, 300 mJ/220 ps chirped pulse was amplified to 5.98 J in this amplifier, and a total saturated gain of  20 was achieved. The focused intensity of compressed beam could reach to 1020 W/cm2 with the M2 of 2.0. |
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| Keywords: | CPA Amplification Gain Pulse duration |
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